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Posted to issues@flink.apache.org by "Tzu-Li (Gordon) Tai (JIRA)" <ji...@apache.org> on 2017/03/13 15:56:41 UTC
[jira] [Assigned] (FLINK-5949) Flink on YARN checks for Kerberos
credentials for non-Kerberos authentication methods
[ https://issues.apache.org/jira/browse/FLINK-5949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tzu-Li (Gordon) Tai reassigned FLINK-5949:
------------------------------------------
Assignee: Tzu-Li (Gordon) Tai
> Flink on YARN checks for Kerberos credentials for non-Kerberos authentication methods
> -------------------------------------------------------------------------------------
>
> Key: FLINK-5949
> URL: https://issues.apache.org/jira/browse/FLINK-5949
> Project: Flink
> Issue Type: Bug
> Components: Security, YARN
> Affects Versions: 1.2.0
> Reporter: Tzu-Li (Gordon) Tai
> Assignee: Tzu-Li (Gordon) Tai
> Priority: Blocker
> Fix For: 1.3.0, 1.2.1
>
>
> Reported in ML: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Flink-Yarn-and-MapR-Kerberos-issue-td11996.html
> The problem is that the Flink on YARN client incorrectly assumes {{UserGroupInformation.isSecurityEnabled()}} returns {{true}} only for Kerberos authentication modes, whereas it actually returns {{true}} for other kinds of authentications too.
> We could make use of {{UserGroupInformation.getAuthenticationMethod()}} to check for {{KERBEROS}} only.
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